Dialyzer



FIG. 1 is a view in perspective of a dialyzer;

FIG. 2 is a front plan view of the dialyzer of FIG. 1;

FIG. 3 is a left side plan view of the dialyzer of FIG. 1 with the right side plan view being a mirror image thereof;

FIG. 4 is a bottom plan view of the dialyzer of FIG. 1 with the top plan view being a mirror image thereof; and,

FIG. 5 is a rear plan view of the dialyzer of FIG. 1. 

The ornamental design for a dialyzer, as shown and described. 